Wrench



FIG. 1 is a perspective view of a wrench showing my new design;

FIG. 2 is a front elevational view; the rear elevational view being identical to that shown thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plane view thereof; and,

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a wrench, as shown and described. 